123314253425520 has 40 divisors (see below), whose sum is σ = 382274185619856. Its totient is φ = 32883800913408.

The previous prime is 123314253425491. The next prime is 123314253425537. The reversal of 123314253425520 is 25524352413321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256904694397 + ... + 256904694876.

Almost surely, 2^{123314253425520} is an apocalyptic number.

123314253425520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123314253425520 is an abundant number, since it is smaller than the sum of its proper divisors (258959932194336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123314253425520 is a wasteful number, since it uses less digits than its factorization.

123314253425520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513809389289 (or 513809389283 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 123314253425520 in words is "one hundred twenty-three trillion, three hundred fourteen billion, two hundred fifty-three million, four hundred twenty-five thousand, five hundred twenty".